| Challenger Ochsenhausen | 2021/05/10 12:30 | Juri Grauer v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/10 09:10 | Dennis Klein v Juri Grauer | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 07:10 | Juri Grauer v Samuel Amann | L | 2-3 |
| Challenger Ochsenhausen | 2021/05/10 11:50 | Dennis Klein v Michael Engelhardt | L | 3-2 |
| Challenger Ochsenhausen | 2021/05/10 09:50 | Michael Engelhardt v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/10 07:50 | Michael Engelhardt v Josip Huzjak | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/07 07:50 | Michael Engelhardt v Carlo Rossi | L | 1-3 |
| Challenger Ochsenhausen | 2021/05/07 06:30 | Henning Zeptner v Michael Engelhardt | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 10:30 | Carlos Muhlbach v Michael Engelhardt | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 08:30 | Enio Mendes v Michael Engelhardt | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/05 13:10 | Michael Engelhardt v Florian Bluhm | L | 0-3 |